Excavator



FIG. 1 is a front perspective view of an excavator showing the new design;

FIG. 2 is a top view of the invention illustrated in FIG. 1;

FIG. 3 is a bottom view of the invention illustrated in FIG. 1;

FIG. 4 is a front view of the invention illustrated in FIG. 1;

FIG. 5 is a rear view of the invention illustrated in FIG. 1;

FIG. 6 is a right side view of the invention illustrated in FIG. 1; and,

FIG. 7 is a left side view of the invention illustrated in FIG. 1.

The broken lines in the drawings depict portions of the excavator and form no part of the claimed design. 

CLAIM The ornamental design for an excavator, as shown and described. 